CaratHunter
Plans
Round|Natural|GIA

2.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6515411880

Certificate GIA 6515411880

Diamond specifications and retailer prices

From £5,352 GBP
As of November 4, 2026
Save £1,095 GBP (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,446 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515411880. Listed at 2 retailers as of November 4, 2026, with prices from £5,352 to £6,446, a £1,095 spread on the same certified stone. GemTrove lists it at £6,446. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6515411880
Dimensions8.61 × 8.55 × 5.45 mm
L/W Ratio1.01
Top View
8.61 mm8.55 mm2.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6515411880
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £6,446 GBP|Low: £5,352 GBP|High: £6,446 GBP|Avg: £5,964 GBP
GemTrove
Retailer 2
October 17, 2026
Retailer 2£5,352 GBP
GemTrove£6,446 GBP

2 data points across 2 retailers

2 retailers£5,352 GBP to £6,446 GBP

A
Cheapest Retailer
-
£5,352 GBP
Most Expensive
B+
GemTrove
GT-N-01368624-98 · Nov 6
£6,446 GBP
A$13,348 AUD
View
1 more retailer has this diamond
Prices start from £5,352 GBPSave up to £1,095 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.50ct Round
£5,352 GBP